Stan,There is something wrong in your third paragraph. Your 38.4 GW figure 
seems to be a correct "average power" based on EIA claim for terawatt-hours of 
wind production and number of hours per year. However, the power per turbine 
based on division by 68000 seems to have had "decimal slip." I get about 567 
kW/turbine average. There are certainly no 57 MW (even name plate capacity) 
turbines in the US.
There is also the unreliability of wind power. EIA  and other source claim 
around 338 TWh of energy production, and around 122.5 GW of nameplate capacity, 
about 2760 h/year at name plate capacity or averaging about 31.5% of nameplate 
capacity. The wind is usually too little, or too much, rarely just right.
    On Tuesday, March 30, 2021, 03:01:42 PM EDT, Stanislav Jakuba 
<[email protected]> wrote:  
 
 How much renewable energy can the US be harvesting? The attachment shows 
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